| Main Entry: | |
| Part of Speech: | noun |
| Definition: | loud hit or knock |
| Synonyms: | bash, bat, belt, blow, box, bump, collide, crack, cuff, punch, slam, smack, smash, sock, stroke, wallop, whack, whop |
| Antonyms: | tap |
| Main Entry: | bulge |
| Part of Speech: | noun |
| Definition: | swollen object |
| Synonyms: | appendage, bagginess, blob, bump, bunch, bunching, convexity, dilation, distention, excess, excrescence, gibbosity, growth, hump, intumescence, jut, lump, nodulation, nodule, outgrowth, outthrust, projection, prominence, promontory, protrusion, protuberance, sac, sagging, salience, salient, superfluity, swelling, tuberosity, tumefaction, tumor, wart |
| Antonyms: | depression |
| Main Entry: | clash |
| Part of Speech: | noun |
| Definition: | disagreement or fight, often brief |
| Synonyms: | affray, argument, battle, brawl, break, broil, brush, bump, collision, concussion, conflict, confrontation, crash, difference of opinion, discord, discordance, disharmony, dispute, donnybrook, embroilment, encounter, engagement, fracas, fray, have a go at each other, impact, jam, jar, jolt, jump, melee, misunderstanding, mix up, opposition, rift, riot, row, rumpus, run-in, rupture, scrap, scrimmage, set-to, shock, showdown, skirmish, smash, wallop |
| Main Entry: | collision |
| Part of Speech: | noun |
| Definition: | accident |
| Synonyms: | blow, bump, butt, concussion, contact, crash, demolishment, destruction, dilapidation, encounter, fender bender, head-on, hit, impact, jar, jolt, knock, percussion, pileup, rap, ruin, shock, sideswipe, slam, smash, strike, thud, thump, wreck |
| Main Entry: | concussion |
| Part of Speech: | noun |
| Definition: | collision, shaking |
| Synonyms: | blast, blow, buffeting, bump, clash, clout, crack, crash, hit, impact, injury, jar, jarring, jolt, jolting, jounce, pounding, punch, shock, trauma |
| Main Entry: | contusion |
| Part of Speech: | noun |
| Definition: | bruise, injury |
| Synonyms: | bang, bump, cut, discoloration, knock, mouse, swelling, wale, wound |
| Main Entry: | crash |
| Part of Speech: | noun |
| Definition: | collision, accidental hitting |
| Synonyms: | accident, bump, collapse, concussion, crack-up, crunch, debacle, ditch, fender bender, fender tag, impact, jar, jolt, percussion, pileup, ram, rear-ender, shock, sideswipe, smash, smashup, splashdown, stack-up, thud, thump, total*, washout, wreck |
| Main Entry: | hump |
| Part of Speech: | noun |
| Definition: | swelling, projection |
| Synonyms: | bulge, bump, convexedness, convexity, dune, elevation, eminence, excrescence, gibbosity, hill, hummock, hunch, knap, knob, knurl, kyphosis, mound, prominence, protrusion, protuberance, ridge, swell, tumescence |
| Antonyms: | depression |
| Main Entry: | impact |
| Part of Speech: | noun |
| Definition: | collision, force |
| Synonyms: | appulse, bang, blow, bounce, brunt, buffet, bump, clash, concussion, contact, crash, crunch, crush, encounter, hit, impingement, jar, jolt, jounce, kick, knock, meeting, percussion, pound, punch, quake, quiver, ram, rap, rock, shake, shock, slap, smash, smashup, strike, stroke, thump, tremble, tremor, wallop |